The period T of a pendulum of length L, mass m in a gravitational field g ms-2 is suspected to be a function of L, m and g. If it is postulated that(adsbygoogle = window.adsbygoogle || []).push({});

T=KL^{x}m^{y}g^{z}

where K is a dimensionless constant, use dimensional analysis to obtain the constants x, y and z.

There's only one pi group I came up with and that was g/(T^{2}L)

other than that, I can't figure out how to begin this problem in a way that will give me an opportunity to solve for the three exponents.

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: General Engineering Dimensional Analysis

**Physics Forums | Science Articles, Homework Help, Discussion**